Geo-Spatial Digital Archive Project (GDAP) gdap.crma.ac.th Feb 15, 2012 Col. Supachai Srihom Chulachomklao Royal Military Academy Nakhon Nayok, Thailand
Outline GDAP Overview –Objective, Motivation, Problems, Data format –GDAP system design –GDAP web portal GDAP Implementation –Focus area –Implementation plan
Objective Establish the South-East Asia Geospatial information center. Produce a demonstration system of online geo-spatial data service User can search and access the data through various methods: text search, geo-location search, and meta-data search. The applications of the data will be for any studies that can utilize these data sets
Overview of GDAP Geo-Spatial Digital Archive Project A demonstration system of online geo-spatial data service that user can search and access the data through various methods: text search, geo-location search, and meta-data search. The applications of the data will be for any studies that can utilize these data sets.
Motivation –Availability of Data: digital data via remote sensors, aerial photos, vector, 3D, public maps Communication: internet, multimedia Tools/Software Cheaper hardware: computers, storage, digital cam, camcorder
Problem Statement Rarely exist online digital archive for Geo-Spatial Digital Data in Thailand Most kept for private usage Create online Geo-Spatial Digital Archive for public research
William Hunt s Aerial Photographs Collection
World War II Map
Landsat Satellite Images
Sample Applications –History and Archaeology Study –Urban Study –Land Use/Land Cover Study
Data Flow Diagram TIFF Metadata Digital Archive JPEG Geo-Locate Text-Based Search Engine Map Interface Original Converted OpenLayer Other Map Sources
GDAP Search Engine Metadata Digital Archive Text-Based Listing + Thumnail Search Engine Map Interface OpenLayer Other Map Sources * Keyword Search * Web Interface * PHP Query to MySQL Directory-Based MySQL OpenLayer script Query to MySQL Embedded in HTML Google, MapServer WMS, Yahoo, etc.
GDAP web site SL-04
PC-01
Data in Digital Archive PC-02
LOCATION INDEX PC-03 Present Data in Location Order
PC-03a
Keyword Search Map System PC-03b
Keyword Search PC-04 bangkok
PC-05
Digital Map Example PC-06
WHC Aerial Photograph on Map PC-07
PC-10
PC-10a Show the location of Map Data On the Mark
Relation of database and map PC-11
Acknowledgement CRMA University of Kyoto - CSEAS University of London -SOAS Uninet